Hayashida, K. 1957. Ecological distribution of ants in Sapporo and vicinity. (Preliminary report.). Journal of the Faculty of Science, Hokkaido University. Series VI. Zoology 13:173-177.

Hayashida, K. 1959. Ecological distribution of ants in Mt. Atusanupuri, an active volcano in Akan National Park, Hokkaido. Journal of the Faculty of Science, Hokkaido University. Series VI. Zoology 14:252-260.

Hayashida, K.; Meada, S. 1960. Studies on the ecological distribution of ants in Akkeshi. Journal of the Faculty of Science, Hokkaido University. Series VI. Zoology 14:305-319.

Hayashida, K. 1961 ("1960"). Studies on the ecological distribution of ants in Sapporo and its vicinity (1 et 2). Insectes Sociaux 7:125-162. PDF

Hayashida, K. 1964. Studies on the ecological distribution of ants in Kutchan and its adjacent area. Journal of the Sapporo Otani Junior College 2:107-129. PDF

Notes: Not seen. Cited in Onoyama & Terayama (1994).

Hayashida, K. 1966. Notes on the symbiotic ants of Formica sanguinea Latreille. [In Japanese.]. Ari 4:2-4.

Yamauchi, K.; Hayashida, K. 1968. Taxonomic studies on the genus Lasius in Hokkaido, with ethological and ecological notes (Formicidae, Hymenoptera). I. The subgenus Dendrolasius or Jet Black Ants. Journal of the Faculty of Science, Hokkaido University. Series VI. Zoology 16:396-412. PDF

Yamauchi, K.; Hayashida, K. 1970. Taxonomic studies on the genus Lasius in Hokkaido, with ethological and ecological notes (Formicidae, Hymenoptera). II. The subgenus Lasius. Journal of the Faculty of Science, Hokkaido University. Series VI. Zoology 17:501-519. PDF

Hayashida, K. 1971. Vertical distribution of ants in the southern part of the Hidaka mountains. [In Japanese.]. Memoirs of the National Science Museum (Tokyo) 4:29-38.